Fix flutter_frontend_server test - name parameter is required now. (#24507)
Fix flutter_frontend_server test - name parameter is required now. (#24507)

'name' parameter became required in https://dart-review.googlesource.com/c/sdk/+/185083
jamesr/flutter_engine,Hixie/sky_engine,chinmaygarde/flutter_engine,jason-simmons/flutter_engine,aam/engine,Hixie/sky_engine,jamesr/sky_engine,jason-simmons/sky_engine,Hixie/sky_engine,jamesr/sky_engine,jason-simmons/sky_engine,chinmaygarde/sky_engine,rmacnak-google/engine,jamesr/flutter_engine,flutter/engine,aam/engine,rmacnak-google/engine,jason-simmons/flutter_engine,jamesr/sky_engine,devoncarew/engine,devoncarew/engine,jason-simmons/flutter_engine,Hixie/sky_engine,jamesr/sky_engine,devoncarew/engine,devoncarew/sky_engine,chinmaygarde/flutter_engine,Hixie/sky_engine,chinmaygarde/flutter_engine,Hixie/sky_engine,devoncarew/sky_engine,flutter/engine,Hixie/sky_engine,jason-simmons/sky_engine,flutter/engine,flutter/engine,devoncarew/engine,flutter/engine,aam/engine,aam/engine,chinmaygarde/flutter_engine,jamesr/flutter_engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine,aam/engine,chinmaygarde/sky_engine,chinmaygarde/sky_engine,jamesr/sky_engine,rmacnak-google/engine,jamesr/flutter_engine,rmacnak-google/engine,jamesr/flutter_engine,chinmaygarde/flutter_engine,chinmaygarde/sky_engine,devoncarew/engine,jason-simmons/flutter_engine,flutter/engine,jason-simmons/sky_engine,jason-simmons/sky_engine,rmacnak-google/engine,jamesr/flutter_engine,rmacnak-google/engine,flutter/engine,chinmaygarde/sky_engine,jason-simmons/flutter_engine,jamesr/sky_engine,jason-simmons/flutter_engine,devoncarew/sky_engine,aam/engine,jamesr/flutter_engine,jamesr/flutter_engine,rmacnak-google/engine,jason-simmons/sky_engine,devoncarew/engine,flutter/engine,aam/engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine,devoncarew/sky_engine,aam/engine,jamesr/sky_engine,Hixie/sky_engine,devoncarew/sky_engine,chinmaygarde/sky_engine,jamesr/flutter_engine,devoncarew/engine,jason-simmons/sky_engine,chinmaygarde/sky_engine,devoncarew/sky_engine,devoncarew/sky_engine